可用一般鋼管或用合金鋼製造，
適合壓光、壓紋、熱熔使用。PVC膠皮業、膠帶業、塑膠押出業‧‧‧等，
表面可作一般處理或鏡面處理，四米長，冷、熱表面溫度可控制在 2 o C左右
Spiral circulation type cooling roll or thermal-fluid heating roll for calendering
To be made of steel alloy or steel tube, and with an advantage of an even and constant temperature through roll body surface , it is very suitable for the application of polish-ironing, melt-ironing ,embossing, PVC film lamination, adhesive tape, plastic film extrusion,...etc. Temperature variation is within range of 2 o C on the 4 meters long roll.
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